Table 4 Univariate and multivariable logistic regression for risk factors related to poor outcome of newborn after adjusting for gestational age and birthweight

Maternal age (years)

0.021

0.021

1.021 0.980–1.063

0.369

-

Number of CS scar (times)

 ≥ 2

0.282

0.214

1.326 0.872–2.017

0.188

-

 < 2

Ref

Parity (times)

 ≥ 2

0.178

0.203

1.195 0.802–1.779

0.381

-

 < 2

Ref

Pre-pregnancy BMI (kg/m²)

-0.032

0.037

0.969 0.901–1.042

0.393

-

Surgical method

MOSCUS

0.079

0.242

1.082 0.674–1.737

0.745

-

CS hysterectomy

Ref

Placental location

Anterior

0.141

0.203

1.152 0.774–1.714

0.487

-

Others

Ref

Hb at surgery (g/dL)

0.184

0.078

1.202 1.032–1.399

0.018

0.031

0.093

1.031 0.860–1.238

0.739

Labor symptoms at admission

Vaginal bleeding/uterine contraction

0.057

0.206

1.784 1.191–2.673

0.005

0.148

0.239

1.159 0.725–1.853

0.537

Asymptomatic

Ref

Ref

Mode of surgery

Emergency

0.776

0.274

2.173 1.271–3.714

0.005

0.28

0.359

1.329 0.658–2.685

0.428

Planned

Ref

Ref

Type of PASDs

Percreta

0.518

0.204

1.679 1.125–2.507

0.011

0.394

0.234

1.484 0.939–2.344

0.0911

Accreta-Increta

Ref

Ref

Time duration from skin incision to fetal delivery (min)

-0.022

0.007

0.978 0.965–0.992

0.002

-0.023

0.008

0.978 0.962–0.993

0.006

Gestational age

(weeks)

0.729

0.090

2.073 1.738–2.472

 < 0.0001

0.684

0.109

1.983 1.600–2.456

 < 0.0001

Newborn weight (gram)

0.002

0.0001

1.002 1.001–1.002

 < 0.0001

0.0001

0.0001

1.000 1.000–1.001

0.495